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<title>geteuid</title>
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The Single UNIX &reg; Specification, Version 2<br>
Copyright &copy; 1997 The Open Group

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<h4><a name = "tag_000_005_533">&nbsp;</a>NAME</h4><blockquote>
geteuid - get the effective user ID
</blockquote><h4><a name = "tag_000_005_534">&nbsp;</a>SYNOPSIS</h4><blockquote>
<pre><code>

#include &lt;<a href="systypes.h.html">sys/types.h</a>&gt;
#include &lt;<a href="unistd.h.html">unistd.h</a>&gt;

uid_t geteuid(void);
</code>
</pre>
</blockquote><h4><a name = "tag_000_005_535">&nbsp;</a>DESCRIPTION</h4><blockquote>
The
<i>geteuid()</i>
function returns the effective user ID of the calling process.
</blockquote><h4><a name = "tag_000_005_536">&nbsp;</a>RETURN VALUE</h4><blockquote>
The
<i>geteuid()</i>
function is always successful and no return value is reserved to
indicate an error.
</blockquote><h4><a name = "tag_000_005_537">&nbsp;</a>ERRORS</h4><blockquote>
No errors are defined.
</blockquote><h4><a name = "tag_000_005_538">&nbsp;</a>EXAMPLES</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_005_539">&nbsp;</a>APPLICATION USAGE</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_005_540">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_005_541">&nbsp;</a>SEE ALSO</h4><blockquote>
<i><a href="getuid.html">getuid()</a></i>,
<i><a href="setuid.html">setuid()</a></i>,
<i><a href="systypes.h.html">&lt;sys/types.h&gt;</a></i>,
<i><a href="unistd.h.html">&lt;unistd.h&gt;</a></i>.
</blockquote><h4>DERIVATION</h4><blockquote>
Derived from Issue 1 of the SVID.
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UNIX &reg; is a registered Trademark of The Open Group.<br>
Copyright &copy; 1997 The Open Group
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